Added mcabber unread buffers widget.

rc.lua

@@ -39,6 +39,7 @@ widgets.mem = require("widgets.mem")
 widgets.net = require("widgets.net")
 widgets.spacer = require("widgets.spacer")
 widgets.volume = require("widgets.volume")
+widgets.im = require("widgets.im")
 -- }}}
 
 -- {{{ Variable definitions
@@ -122,10 +123,6 @@ end
 utils.rc.loadrc('menu')
 -- }}}
 
--- {{{ Wibox
-utils.rc.loadrc('wibox')
--- }}}
-
 -- {{{ Naughty
 utils.rc.loadrc('naughty')
 -- }}}
@@ -134,6 +131,10 @@ utils.rc.loadrc('naughty')
 utils.rc.loadrc('im')
 -- }}}
 
+-- {{{ Wibox
+utils.rc.loadrc('wibox')
+-- }}}
+
 -- {{{ Programs to run at startup
 -- Disabled, managed by Xsession
 -- utils.rc.loadrc('startup')

rc/im.lua

@@ -73,16 +73,4 @@ function mcabber_event_hook(kind, arg, jid, msg)
     end
 end
 
-
-function mcabber_get_unread_buffers()
-    local state_file = os.getenv("HOME") .. "/.mcabber/mcabber.state"
-    local f = io.open(state_file, "r")
-    local rows = 0
-    for _ in f:lines() do
-        rows = rows + 1
-    end
-    f:close()
-    return rows
-end
-
 -- vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4

rc/wibox.lua

@@ -29,7 +29,9 @@ for s = 1, screen.count() do
         widgets.clock.widget(),
         s == 1 and widget({ type = "systray" }) or nil,
         widgets.spacer.widget(),
-        widgets.net.widget(),
+        widgets.im.widget(),
+        widgets.im.icon(),
+        -- widgets.net.widget(),
         utils.system.hasbattery() and widgets.spacer.widget() or nil,
         utils.system.hasbattery() and widgets.bat.widget(wide) or nil,
         utils.system.hasbattery() and widgets.bat.icon() or nil,

themes/gits/theme.lua

@@ -161,6 +161,7 @@ theme.widget_disk      = themedir.."/icons/disk.png"
 theme.widget_mpd_play  = themedir.."/icons/mpd_play.png"
 theme.widget_mpd_pause = themedir.."/icons/mpd_pause.png"
 theme.widget_mpd_stop  = themedir.."/icons/mpd_stop.png"
+theme.widget_im        = themedir.."/icons/im.png"
 -- }}}
 
 return theme

widgets/im.lua

@@ -0,0 +1,39 @@
+-- File system size widget definition
+-- Module variables are :
+--
+-- widget : the wiget itself
+-- icon : the associated widget icon
+--
+-- Note that he theme should have widget_disk attribute set
+
+local vicious = require("vicious")
+local awful = require("awful")
+local blingbling = require("blingbling")
+local mcabber = require("widgets.vicious.mcabber")
+local beautiful = beautiful
+local widget_init = widget
+local image = image
+local mcabber_get_unread_buffers = mcabber_get_unread_buffers
+
+module("widgets.im")
+
+local _imicon = nil
+local _imwidget = nil
+
+function icon()
+    if _imicon == nil then
+        _imicon = widget_init({ type = "imagebox" })
+        _imicon.image = image(beautiful.widget_im)
+    end
+    return _imicon
+end
+
+function widget()
+    if _imwidget == nil then
+        _imwidget = widget_init({ type = "textbox" })
+        vicious.register(_imwidget, mcabber,'$1', 5)
+    end
+    return _imwidget
+end
+
+-- vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4

widgets/vicious/mcabber.lua

@@ -0,0 +1,61 @@
+---------------------------------------------------
+-- Licensed under the GNU General Public License v2
+--  * (c) 2010, Adrian C. <[email protected]>
+--  * (c) 2009, Lucas de Vries <[email protected]>
+---------------------------------------------------
+
+-- {{{ Grab environment
+local os = { getenv=os.getenv }
+local io = { open=io.open, popen=io.popen }
+local print = print
+-- }}}
+
+-- Count: provides mcabber unread buffers count
+local count = {}
+
+
+-- {{{ Checks if mcabber is running
+local function mcabber_get_unread_buffers()
+    local state_file = os.getenv("HOME") .. "/.mcabber/mcabber.state"
+    local f = io.open(state_file, "r")
+    local rows = 0
+    for _ in f:lines() do
+        rows = rows + 1
+    end
+    f:close()
+    return rows
+end
+-- }}}
+
+
+-- {{{ Counts unread mcabber buffers
+local function mcabber_running()
+	local fd = io.popen("pgrep mcabber")
+	local pid = fd:read('*a')
+	fd:close()
+
+	if pid:len() > 0 then
+		return true
+	else
+		return false
+	end
+end
+-- }}}
+
+
+-- {{{ Date widget type
+local function worker(format, warg)
+	if not mcabber_running() then
+		return '<span color="white" bgcolor="grey" weight="bold"> n/a </span>'
+	end
+
+	local unread = mcabber_get_unread_buffers()
+	if unread > 0 then
+		return '<span color="white" bgcolor="red" weight="bold"> ' .. unread ..  ' </span>'
+	else
+		return '<span color="white" bgcolor="green" weight="bold"> 0 </span>'
+	end
+end
+-- }}}
+
+return setmetatable(count, { __call = function(_, ...) return worker(...) end })